» Repair Lens

Clean Aperture Oil Pentax Takumar 28mm 3.5 SMC

cannonfast — Thu, 16 Jan 2014 23:56:13 +0000

It is a very long process to clean the Aperture Oil in a Pentax Takumar 28mm 3.5 SMC but it is well worth it as this is a great little lens and are easy to find. Just make sure you have a spanner before you start repairing the lens.

Olympus oily aperture 50mm f/1.4 OM

cannonfast — Mon, 25 Nov 2013 03:23:37 +0000

Try this before you pull the aperture apart in your lens. It may be a simpler fix in the mount. This is not a guarantee but a quick check. If you see oil on the blades then you will have to pull the aperture. However this might be a simple fix.

Clean aperture oil 28mm 2.8 Promaster Marexar

cannonfast — Mon, 25 Nov 2013 03:18:05 +0000

This video shows how one can disassemble, repair, and reassemble these Promaster MC and Marexar CX MC 28mm 2.8 lenses. The problem is not always the aperture but more likely just the mechanism in the read mount that gets sticky from old grease.

Cleaning oil on the aperture of Minolta 58mm 1.4 PF

cannonfast — Thu, 21 Nov 2013 20:16:56 +0000

These two videos show how to disassemble and repair a Minolta 58mm f/1.4 PF MC lens and then reassemble. Some people are converting this beautifully built lens to digital by removing the mount and making modifications as well as adding a M42 Adapter ring. The demonstration is broken down into two videos you can see here and here.